CHAPTER 3
TM 55-2320-272-14-1
RAIL TRANSPORT GUIDANCE
3-1. General
Section I. GENERAL
Most of the trucks are rail transportable in CO-
NUS, Canada, and Mexico without restriction. The
M934/M934A1/M1934A2 and M935/M935A1/
M935A2 expansible van trucks’ heights exceed the
Association of American Railroads (AAR) rail
clearance diagram. These trucks may require
special routing on rail lines in the United States,
Canada, and Mexico.
The M934/M934A1/M1934A2 and M935/M935A1/
Section Il.
3-2. Railcar Selection
The trucks are transportable on a variety of rail-
cars. Table 3-1 presents characteristics of com-
M935A2 expansible van trucks, and M936/M936A1/
M936A2 wrecker trucks will require special routing
in foreign countries because of their nonreducible
height. The trucks must be cleared for rail trans-
port on an individual basis with the rail authorities
of the host nation.
*NOTE*
Additional cargo may be transported with the
vehicles if approved by the activity offering
the equipment for transport.
RAIL LOADING
monly available military and commercial railcars
with comments about transporting the trucks on
each railcar.
Table 3-1 Evaluation of Railcar
Railcar
Features
Comments
DODX 140-TON
68 ft long. 10.5 ft wide 140-ton, steel deck,
cushioned (1/2-in chain WLL 13,750 lb)
DODX 1OO-TON
54 ft long. 10.5 ft wide 100-ton, wood deck,
standard (no chain tiedowns provided)
HTTX
60 ft long. 10.2 ft wide 73-ton, wood deck,
cushioned (1/2-in chain WLL 13,750 lb)
ITTX
89 ft long. 8.5 ft wide 70-ton, steel deck,
cushioned (3/8-in chain WLL 9,000 lb)
MTTX
60 ft long. 10.5 ft wide 74-ton, wood deck,
cushioned (no chain tiedowns provided)
OTTX
60 ft long 10.5 ft wide 72-ton, wood deck,
cushioned (3/8-in chain WLL 9,000 lb)
TTDX
89 ft. long, 8.5 ft wide 74-ton, steel deck,
cushioned (1/2-in chain)
Not recommended;
too large.
Suitable
Suitable
Suitable
Suitable
Suitable
Other general-purpose flatcars can be used provided they are of adequate size and capacity.
3-1
